2. 5 x 3.5" U320 SCSI Hot-swappable Drive Bays
3. 3x 5.25" Peripheral Drive Bays (One with Floppy Drive Bezel)
4. 7x Full-height, Full-length expansion slot
5. 3x Hot-Swappable Cooling Fans
6. 3x 5000 RPM Hot-Swappable Rear-Exhaust Fans
7. 2x Front USB Ports
8. Power Switch, Reset Switch & 6 LED Indicators